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CVE-2026-82793

Quick assessment

Affected
Contec Co., Ltd. CAN-2-WF
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Contec CAN 2.0B 通信无线局域网/USB 转换单元存在不受限制的文件上传漏洞（允许上传危险类型的文件）。如果远程经过身份验证的攻击者上传了一个特制的文件，可能会在产品上执行任意代码。

CVSS 7.2 · High
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I. Basic Information for CVE-2026-82793

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Unrestricted upload of file with dangerous type issue exists in Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit. If a specially crafted file is uploaded by a remote authenticated attacker, arbitrary code may be executed on the product.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Contec Co., Ltd. CAN-2-WF 0 ~ 2.20 -
Contec Co., Ltd. CAN-2-USB 0 ~ 2.20 -

II. Public POCs for CVE-2026-82793

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III. Intelligence Information for CVE-2026-82793

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Vendor Advisories for CVE-2026-82793 (1)

Other References for CVE-2026-82793 (1)

Same Patch Batch · Contec Co., Ltd. · 2026-09-14 · 32 CVEs total

CVE-2026-82787 9.8 CRITICAL CPSL-08P1EN 关键函数缺失认证
CVE-2026-82794 8.8 HIGH SolarView Compact调度设置OS命令注入漏洞
CVE-2026-82777 8.8 HIGH CONPROSYS PAC Series OS命令注入漏洞
CVE-2026-82770 8.8 HIGH Contec RP-WAH-SR 缓冲区溢出远程代码执行漏洞
CVE-2026-82791 8.8 HIGH Contec CAN 2.0B 操作系统命令注入漏洞
CVE-2026-82762 8.8 HIGH Contec FX系列OS命令注入漏洞
CVE-2026-82772 8.8 HIGH Contec EC1000系列Web服务堆溢出漏洞
CVE-2026-82774 8.8 HIGH CONPROSYS M2M系列OS命令注入漏洞
CVE-2026-82766 8.8 HIGH SGA1000存在操作系统命令注入漏洞
CVE-2026-82768 8.1 HIGH SGA1000存在路径遍历漏洞
CVE-2026-82765 8.1 HIGH Contec FX系列FTP路径遍历漏洞
CVE-2026-82784 6.5 MEDIUM CPSN-MCB271未认证REST API导致I/O被控
CVE-2026-82786 6.3 MEDIUM 施耐德CPSN-MCB271凭证保护不足致信息泄露
CVE-2026-82776 6.1 MEDIUM CONPROSYS PAC系列跨站脚本漏洞
CVE-2026-82788 6.1 MEDIUM CPSL-08P1EN 跨站脚本漏洞
CVE-2026-82773 6.1 MEDIUM CONPROSYS M2M Gateway 跨站脚本漏洞
CVE-2026-82763 5.4 MEDIUM Contec FX5000/4000/3000 跨站脚本漏洞
CVE-2026-82781 5.4 MEDIUM CONPROSYS nano系列跨站脚本漏洞
CVE-2026-82771 5.4 MEDIUM Contec EC1000跨站脚本漏洞
CVE-2026-82796 5.4 MEDIUM SolarView Compact图片管理模块跨站脚本执行命令漏洞

Showing top 20 of 32 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: CAN-2-WF
Same vendor: Contec Co., Ltd.
Same weakness: CWE-434

V. Comments for CVE-2026-82793

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